High molecular antistatic agent and preparation method thereof

An antistatic agent and polymer-based technology, which is used in the field of polymer antistatic agents and their preparation, can solve the problems of insufficient compatibility, low processability, low density, and poor heat resistance of anionic antistatic agents. Achieve the effect of excellent compatibility and good durability

Inactive Publication Date: 2016-07-20
SOUTH CHINA NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the poor heat resistance of cationic antistatic agents and the lack of compatibility of anionic antistatic agents, while maintaining the persistence of polymer permanent antistatic agents, reducing its addition amount and its impact on the environment, and improving antistatic performance, The invention provides a polymer antistatic agent and a preparation method thereof. The antistatic agent not only has the characteristics of the durability of the permanent polymer antistatic agent, the rich structure of the polymer, the processability and the low density, but also has the characteristics of no During the induction period, it is not easily affected by conditions such as wiping and washing, and at the same time has excellent heat resistance and excellent antistatic performance of anionic antistatic agents

Method used

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  • High molecular antistatic agent and preparation method thereof
  • High molecular antistatic agent and preparation method thereof
  • High molecular antistatic agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The synthetic route of the present embodiment is as follows:

[0028]

[0029] 10 molar parts of 5-sodium isophthalic acid (5-SSIPA), 28 molar parts of polyethylene glycol (PEG) and 10 molar parts of methanesulfonic acid were mixed and heated to 100 ° C for 1 h. Na after reaction 2 CO 3 Neutralize, precipitate with ethanol, and dry the product to obtain dipolyethylene glycol isophthalate-5-sodium sulfonate. Mix with polypropylene (PP) according to the mass ratio of dipolyethylene glycol isophthalate-5-sodium sulfonate / polypropylene as 5%, 10%, 15%, and 20%, and knead in an open mixer , Tablets were pressed in a vulcanizing machine, and the surface resistance and volume resistance were tested at 25°C and 40% humidity. The results are shown in Table 1.

[0030] Table 1

[0031]

[0032] Table 1 shows that after adding the above-mentioned antistatic agent, the volume resistance and surface resistance of polypropylene are significantly reduced, and it has excellen...

Embodiment 2

[0034] 10 molar parts of 5-sodium isophthalic acid (5-SSIPA), 28 molar parts of polyethylene glycol (PEG) and 10 molar parts of methanesulfonic acid were mixed and heated to 120 ° C for 1 h. Na after reaction 2 CO 3 Neutralize, precipitate with ethanol, and dry the product to obtain dipolyethylene glycol isophthalate-5-sodium sulfonate. Mix with polypropylene (PP) according to the mass ratio of dipolyethylene glycol isophthalate-5-sodium sulfonate / polypropylene as 5%, 10%, 15%, and 20%, and knead in an open mixer , Tablets were pressed in a vulcanizing machine, and the surface resistance and volume resistance were tested at 25°C and 40% humidity. Dipolyethylene glycol isophthalate-5-sodium sulfonate prepared in this example also has excellent antistatic properties, see Example 1 for specific results.

Embodiment 3

[0036] Mix 10 molar parts of 5-sodium isophthalic acid-5-sulfonate (5-SSIPA), 28 molar parts of polyethylene glycol (PEG) and 10 molar parts of methanesulfonic acid, then heat to 120°C for 2 hours, Na after reaction 2 CO 3 Neutralize, precipitate with ethanol, and dry the product to obtain dipolyethylene glycol isophthalate-5-sodium sulfonate. Mix with polypropylene (PP) according to the mass ratio of dipolyethylene glycol isophthalate-5-sodium sulfonate / polypropylene as 5%, 10%, 15%, and 20%, and knead in an open mixer , Tablets were pressed in a vulcanizing machine, and the surface resistance and volume resistance were tested at 25°C and 40% humidity. Dipolyethylene glycol isophthalate-5-sodium sulfonate prepared in this example also has excellent antistatic properties, see Example 1 for specific results.

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Abstract

The invention discloses a high molecular antistatic agent and a preparation method thereof. The high molecular antistatic agent is a copolymer which is formed by polymerizing a benzene ring monomer and a polymer, wherein the benzene ring monomer contains sulfo and carboxyl, and the polymer contains a polyether block and a polyamide block; the end groups of the polyether block and the polyamide block are carboxyl; the monomer and the polymer are synthesized into the high molecular polymer under the vacuum condition. The high molecular antistatic agent has the advantages that the durability, heat-resistant property, compatibility and antistatic property are excellent; the high molecular antistatic agent is mainly applied by being added into matrix resin, and is an internal millable type antistatic agent.

Description

technical field [0001] The invention belongs to the field of permanent polymer antistatic agents, and in particular relates to a polymer antistatic agent and a preparation method thereof. Background technique [0002] Due to the high surface resistance or volume resistivity of most polymer materials, they have good insulation and are widely used in industrial insulation materials. However, in the application, the generation and accumulation of charges due to friction, peeling or induction processes will bring great hidden dangers to production safety. Timely transfer of electrostatic charges generated on the surface of materials is the most direct way to prevent electrostatic discharge. In the industry, the method of adding antistatic agents is usually used to transfer the electrostatic charge generated on the surface of polymer materials, so as to prevent the occurrence of electrostatic discharge. [0003] According to different chemical compositions, antistatic agents can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L87/00C08L23/12C08G63/688C08G63/78C08G81/00
CPCC08L23/12C08G63/6886C08G63/78C08G81/00C08L2201/04C08L2201/08C08L67/02C08L87/005
Inventor 朱宏袁桂生罗柳燕
Owner SOUTH CHINA NORMAL UNIVERSITY
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